Permit GraphShortlistSan Francisco building permits since 2000

Block 6601, lot 052

399 Duncan St

City’s use
Single Family Residential
Built
1909
Stories
3
Units
1
Rooms
3 bedrooms, 2 bathrooms
Building
2,040 sq ft
Zoning
NA
Construction type
NA

From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map

Permits filed here

3 permits filed for this property since 2000.

CompletedIn progressNever finaledExpired or cancelled
FiledOutcomeAddressContractorWork described on the permitDeclared cost
May 20, 2026In progress
filed May 2026, not yet issued
399 Duncan Stminor 211sqft at grade extension of existing residence into the rear yard proposed ext. replace an (e) raised wooden deck within the footprint of (e) development work incl. a replacment roof deck and staircase for the residence scope incl. minor landscape within the (e) landscape area. excavation
Details
Permit
202605201648
Status
filed
Filed
May 20, 2026
Declared cost
$148,000
Address
399 Duncan St

minor 211sqft at grade extension of existing residence into the rear yard proposed ext. replace an (e) raised wooden deck within the footprint of (e) development work incl. a replacment roof deck and staircase for the residence scope incl. minor landscape within the (e) landscape area. excavation

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$148,000
Apr 3, 2026Completed
final sign-off Apr 2026
399 Duncan StEhl Roofing Llcreroofing-no torch down
Details
Permit
202604038909
Status
complete
Filed
Apr 3, 2026
Permit issued
Apr 6, 2026
Final sign-off
Apr 9, 2026
Declared cost
$15,000
Address
399 Duncan St

reroofing-no torch down

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$15,000
May 4, 2021Expired or cancelled
cancelled Jan 2026
399 Duncan Stremodel rear elevation with revised deck & stairs. remodel entry at duncan st. rear yard landscaping work. kitchen & bathroom remodel. minor layout changes.
Details
Permit
202105049773
Status
cancelled
Filed
May 4, 2021
Declared cost
$190,000
Address
399 Duncan St

remodel rear elevation with revised deck & stairs. remodel entry at duncan st. rear yard landscaping work. kitchen & bathroom remodel. minor layout changes.

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$190,000

Who worked here

Everyone with a license on these permits, by role, with how many permits each is on.

Contractors
Ehl Roofing Llc
Architects
Bryan Hassemer, Peter Liang

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